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With the advances in both stable interest region detectors and robust and distinctive descriptors, local feature-based image or object retrieval has become a popular research topic. %All of the local feature-based image retrieval system…

Computer Vision and Pattern Recognition · Computer Science 2016-07-29 Yusuke Uchida

In contrast to comparing faces via single exemplars, matching sets of face images increases robustness and discrimination performance. Recent image set matching approaches typically measure similarities between subspaces or manifolds, while…

Computer Vision and Pattern Recognition · Computer Science 2013-03-13 Conrad Sanderson , Mehrtash T. Harandi , Yongkang Wong , Brian C. Lovell

In this paper, we investigate the problem of learning disentangled representations. Given a pair of images sharing some attributes, we aim to create a low-dimensional representation which is split into two parts: a shared representation…

Machine Learning · Statistics 2019-12-10 Eduardo Hugo Sanchez , Mathieu Serrurier , Mathias Ortner

In this paper we propose a model to learn multimodal multilingual representations for matching images and sentences in different languages, with the aim of advancing multilingual versions of image search and image understanding. Our model…

Computation and Language · Computer Science 2017-07-25 Spandana Gella , Rico Sennrich , Frank Keller , Mirella Lapata

Text classification has become indispensable due to the rapid increase of text in digital form. Over the past three decades, efforts have been made to approach this task using various learning algorithms and statistical models based on…

Machine Learning · Statistics 2018-06-11 Erica K. Shimomoto , Lincon S. Souza , Bernardo B. Gatto , Kazuhiro Fukui

Dealing with the complex word forms in morphologically rich languages is an open problem in language processing, and is particularly important in translation. In contrast to most modern neural systems of translation, which discard the…

Neural and Evolutionary Computing · Computer Science 2016-06-15 Ekaterina Vylomova , Trevor Cohn , Xuanli He , Gholamreza Haffari

Methods for learning word representations using large text corpora have received much attention lately due to their impressive performance in numerous natural language processing (NLP) tasks such as, semantic similarity measurement, and…

Computation and Language · Computer Science 2015-11-23 Danushka Bollegala , Alsuhaibani Mohammed , Takanori Maehara , Ken-ichi Kawarabayashi

Learning to fuse vision and language information and representing them is an important research problem with many applications. Recent progresses have leveraged the ideas of pre-training (from language modeling) and attention layers in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Bowen Zhang , Hexiang Hu , Vihan Jain , Eugene Ie , Fei Sha

We propose a geometric framework for learning meta-embeddings of words from different embedding sources. Our framework transforms the embeddings into a common latent space, where, for example, simple averaging of different embeddings (of a…

Computation and Language · Computer Science 2020-04-21 Pratik Jawanpuria , N T V Satya Dev , Anoop Kunchukuttan , Bamdev Mishra

Word embeddings learnt from large corpora have been adopted in various applications in natural language processing and served as the general input representations to learning systems. Recently, a series of post-processing methods have been…

Machine Learning · Computer Science 2019-10-25 Shuai Tang , Mahta Mousavi , Virginia R. de Sa

Neural machine translation (NMT) models are typically trained with fixed-size input and output vocabularies, which creates an important bottleneck on their accuracy and generalization capability. As a solution, various studies proposed…

Computation and Language · Computer Science 2018-05-08 Duygu Ataman , Marcello Federico

We address the problem of phrase grounding by lear ing a multi-level common semantic space shared by the textual and visual modalities. We exploit multiple levels of feature maps of a Deep Convolutional Neural Network, as well as…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Hassan Akbari , Svebor Karaman , Surabhi Bhargava , Brian Chen , Carl Vondrick , Shih-Fu Chang

Linguistic similarity is multi-faceted. For instance, two words may be similar with respect to semantics, syntax, or morphology inter alia. Continuous word-embeddings have been shown to capture most of these shades of similarity to some…

Computation and Language · Computer Science 2019-07-05 Ryan Cotterell , Hinrich Schütze

Many aesthetic models in computer vision suffer from two shortcomings: 1) the low descriptiveness and interpretability of those hand-crafted aesthetic criteria (i.e., nonindicative of region-level aesthetics), and 2) the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Yanxiang Chen , Yuxing Hu , Luming Zhang , Ping Li , Chao Zhang

Previous work has modeled the compositionality of words by creating character-level models of meaning, reducing problems of sparsity for rare words. However, in many writing systems compositionality has an effect even on the…

Computation and Language · Computer Science 2017-05-09 Frederick Liu , Han Lu , Chieh Lo , Graham Neubig

Given an image, generating its natural language description (i.e., caption) is a well studied problem. Approaches proposed to address this problem usually rely on image features that are difficult to interpret. Particularly, these image…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Aditya Mogadala , Xiaoyu Shen , Dietrich Klakow

We present a model that generates natural language descriptions of images and their regions. Our approach leverages datasets of images and their sentence descriptions to learn about the inter-modal correspondences between language and…

Computer Vision and Pattern Recognition · Computer Science 2015-04-15 Andrej Karpathy , Li Fei-Fei

We propose a new method for learning word representations using hierarchical regularization in sparse coding inspired by the linguistic study of word meanings. We show an efficient learning algorithm based on stochastic proximal methods…

Computation and Language · Computer Science 2014-11-07 Dani Yogatama , Manaal Faruqui , Chris Dyer , Noah A. Smith

Word embedding is designed to represent the semantic meaning of a word with low dimensional vectors. The state-of-the-art methods of learning word embeddings (word2vec and GloVe) only use the word co-occurrence information. The learned…

Computation and Language · Computer Science 2018-09-11 Ruixuan Luo

Multimodal Language Analysis is a demanding area of research, since it is associated with two requirements: combining different modalities and capturing temporal information. During the last years, several works have been proposed in the…

Computation and Language · Computer Science 2022-01-10 Panagiotis Koromilas , Theodoros Giannakopoulos